#include <stdio.h>
int main()
{
	float a = 0;
	float b = 0;
	float c = 0;
	float max = 0;
	scanf("%f %f %f",&a,&b,&c);
	max = a;
	if (b > a)
		max = b;
	if (c > b)
		max = c;
	printf("%f", max);
	return 0;
}